Home / 516,157.60-774,334.32-179,185.12

Finding the Fourth Proportional to 516,157.60, 774,334.32 and 179,185.12

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Solution

The fourth proportional to 516,157.60, 774,334.32 and 179,185.12 is: 268,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,157.60 : 774,334.32 = 179,185.12 : x
  2. Step 2: Convert to fraction form
    516,157.60/774,334.32 = 179,185.12/x
  3. Step 3: Cross multiply
    516,157.60x = 774,334.32 × 179,185.12
  4. Step 4: Simplify right side
    516,157.60x = 138,749,188,049.32
  5. Step 5: Solve for x
    x = 138,749,188,049.32/516,157.60
  6. Step 6: Final answer
    x = 268,811.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.